ISO 9001 Certified

• Valves are spring operated brass valves designed for use only as protection from the build up of excessive pressure in systems containing water, oil or air Incorporate a calibrated adjustment feature for setting the valve to the relief pressure required Adjustable stainless steel spring Buna-N disc on machined body seat Should not be used in system application Brass bonnet, spring washer and disc holder

Watts Regulators series 530C calibrated pressure relief valves are used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil or air. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female drain outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. Series 530C has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for by-pass thermal expansion pressure relief not ASME approved. Model 530FP is for use in fire protection systems.